제출 #1255027

#제출 시각아이디문제언어결과실행 시간메모리
1255027ipeksoysalTrol (COCI19_trol)C++20
20 / 50
1096 ms328 KiB
#include <bits/stdc++.h> using namespace std; int main() { int n, a, b, top; cin >> n; for(int i=0; i<n; i++){ top=0; cin>> a >> b; for(int y=b; y>=a; y--){ if(y%9==0) top += 9; else top += y%9; } cout << top << "\n"; } return 0; }
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